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Recognised as Colour

#174CC8

  • #174CC8
  • Blue
  • Dark
  • Nearest: Royal blue

#174CC8 is a blue with RGB values 23, 76, 200 and HSL 222°, 79%, 44%. It is a dark colour, so white text on it reaches 7.2:1 contrast (AAA for normal text). The nearest named colour is Royal blue.

Colour values

#174CC8#174CC8
HEX#174CC8
RGBrgb(23, 76, 200)
RGB (0–1)0.0902, 0.298, 0.7843
RGB percentages9%, 29.8%, 78.4%
HSLhsl(222, 79.4%, 43.7%)
HSV / HSBhsv(222, 88.5%, 78.4%)
CMYK88.5%, 62%, 0%, 21.6%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,526,984
CSS custom property--colour: #174CC8;

Brightness & contrast

Relative luminance0.09521WCAG 2.x, 0 is black and 1 is white
Perceived brightness90 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 7.23:1
Contrast with white7.23:1WCAG normal text: AAA
Contrast with black2.9:1WCAG normal text: Fail
Greyscale equivalent#4A4A4A
Inverted#E8B337

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#005FCCno red cones; affects about 1% of men; ΔE 14.2 from the original
Deuteranopia#004FC6no green cones; the most common form, about 1% of men; ΔE 4 from the original
Tritanopia#006D83no blue cones; rare, and affects men and women equally; ΔE 70 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text7.23:1WCAG large text: AAA
Contrast with black, large text2.9:1WCAG large text: Fail

Named colours

Royal blue · ΔE 12.6Slate blue · ΔE 14.4Medium slateblue · ΔE 18.2Rebecca purple · ΔE 24.6Medium purple · ΔE 26.4Dark slateblue · ΔE 27.9
Nearest named CSS colourRoyal blue (#4169E1)ΔE 12.61, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#C89317
Analogous#17A4C8, #3B17C8
Triadic#C8174C, #4CC817
Split complementary#C83B17, #A4C817
Tetradic#C817A4, #C89317, #17C83B

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#B5C8F6
Lighter +30%#87A7F1
Lighter +20%#5985EC
Lighter +10%#2B63E7
Darker −10%#123B9A
Darker −20%#0C296D
Darker −30%#07183F
Darker −40%#020611
More saturated +25%#0043DF
Less saturated −25%#3357AC

Channel breakdown

R23
G76
B200
Red23 (9%)
Green76 (29.8%)
Blue200 (78.4%)
Hue222.03°
Saturation (HSL)79.37%
Lightness43.73%
Dominant channelBlue
Hex per channelR 17 · G 4C · B C8

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Every value on this page was computed from “174cc8” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.